package com.itYuan.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itYuan.reggie.common.R;
import com.itYuan.reggie.dto.DishDto;
import com.itYuan.reggie.entity.Category;
import com.itYuan.reggie.entity.Dish;
import com.itYuan.reggie.entity.DishFlavor;
import com.itYuan.reggie.entity.SetmealDish;
import com.itYuan.reggie.service.CategoryService;
import com.itYuan.reggie.service.DishFlavorService;
import com.itYuan.reggie.service.DishService;
import com.itYuan.reggie.service.SetmealDishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 菜品管理
 * @author jhy
 * @version 1.0
 */
@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private SetmealDishService setmealDishService;

    /**
     * 添加菜品
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info("添加菜品：{}",dishDto);
        dishService.saveWithFlavor(dishDto);
        return R.success("菜品添加成功");
    }
    /**
     * 菜品信息分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize,String name){
        //构造分页构造器
        Page pageInfo = new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage = new Page<>();
        //构造条件构造器
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(name != null, Dish::getName,name);
        //添加排序条件
        queryWrapper.orderByAsc(Dish::getUpdateTime);
        //执行查询
        dishService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list = records.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();//分类id
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            String categoryName = category.getName();
            dishDto.setCategoryName(categoryName);
            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    /**
     * 根据id查询菜品信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> getById(@PathVariable Long id){

        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /**
     * 根据id修改菜品信息
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info("修改菜品信息：{}",dishDto);
        dishService.updateWithFlavor(dishDto);
        return R.success("菜品修改成功");
    }

    /**
     * 根据id删除
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> delete(String ids){
        log.info("删除分类id为：{}",ids);
        String[] idList = ids.split(",");
        for (int i = 0; i < idList.length; i++) {
            Long id = Long.valueOf(idList[i]);
            dishService.deleteWithFlavor(id);
        }

        return R.success("菜品信息删除成功");
    }

    /**
     * 修改菜品售卖状态
     * @param status
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> status(@PathVariable Integer status,String ids){
        log.info("状态：{}",status);
        log.info("需要修改的id：{}",ids);

        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(ids !=null,Dish::getId,ids);
        //根据数据进行批量查询
        List<Dish> List = dishService.list(queryWrapper);

        for (Dish dish : List) {
            if (dish != null){
                dish.setStatus(status);
                dishService.updateById(dish);
            }
        }
        return R.success("售卖状态修改成功");
    }

    /**
     * 根据分类查询菜品信息
     * @param dish
     * @return
     *//*
    @GetMapping("/list")
    public R<List<Dish>> list(Dish dish){
        //构造条件查询
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null,Dish::getCategoryId,dish.getCategoryId());
        //添加条件，查询状态为1（启售）的
        queryWrapper.eq(Dish::getStatus,1);
        //添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);
        return R.success(list);
    }*/

    /**
     * 根据分类查询菜品信息
     * @param dish
     * @return
     */
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        //构造条件查询
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null,Dish::getCategoryId,dish.getCategoryId());
        //添加条件，查询状态为1（启售）的
        queryWrapper.eq(Dish::getStatus,1);
        //添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto> dishDtoList = list.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();//分类id
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }

            //当前菜品id
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
            List<DishFlavor> dishFlavorList = dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(dishFlavorList);
            return dishDto;
        }).collect(Collectors.toList());

        return R.success(dishDtoList);
    }

}
